machine gun. The sling swivel assembly (7269089) shall be
fastened to the forearm assembly by the screws (11010365) so that
there shall be no relative movement except that the swivel loop
(7269037) shall rotate without binding.
3.3.12 Operating rod assembly (9362510).
22.214.171.124. Operational rod assembly with bolt assembly,. With
the cover assembly (7269114) opened, the driving spring (9362511)
and driving spring guide (9362512) disassembled from the
operating rod assembly and the sear (7269209) disengaged, the
operating rod assembly, together with the bolt assembly
(11010357) shall slide from the open to closed position by its
126.96.36.199 Operating rod assembly with receiver assembly. The
operating rod assembly shall manually assemble to and disassemble
from the slideways of the receiver assembly (11686308). The yoke
(9362509) and head (7791596) shall be retained on the tube
(7259274) by staked rivets (7269272 and 7269271) respectively) so
that there shall be no relative movement of these parts.
roller (9362506) shall be retained on the yoke by the yoke roller
pin (9362507) and shall rotate without binding. The yoke roller
pin shall be retained securely by the spring pin (MS51923-105).
With the trigger assembly (7269212) released and the operating
rod assembly retracted into the cocked position, the sear
engagement notch (primary and secondary, each individually) on
the operating rod shall be engaged by the sear (7269209) and the
operating rod assembly shall be held in the cocked position (both
by primary and secondary sear notches, each individually until
the trigger assembly is pulled.
3.3.13 Receiver assembly (11686308). The slideways of the
receiver assembly shall be smooth and free of burrs. The rear
mounting pin (7792975) shall be retained o the receiver assembly
by the staked pins (7792971). All riveted parts shall be tight,
undamaged and without relative movement. Pin (7792976) shall
withstand the minimum force as specified in dwg. 7269100.
3.3.14 Trigger mechanism grip assembly (7269202). The
trigger mechanism grip assembly shall be retained on the receiver
assembly (11686308) by the retaining pin (7269205) and shall
disassemble from the receiver assembly without the use of tools.
The retaining pin shall be locked in place by the lock spring
(7792398). Use of a tool will be permitted, when required to
assist in disassembly of the spring lock.